Inventor
Robert Eric Epstein
Inventor
Spring, TX, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling44%
G01VGeophysics31%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
H01QAntennas, i.e. radio aerials6%
H05KPrinted circuits6%
PatentTitleYear
11,015,393Valve mechanism for rotary steerable tool and methods of use202110,712,466Casing thickness measurement using acoustic wave correlation202010,301,932Ultrasonic casing and cement evaluation method using a ray tracing model201910,241,086Validation of cased-hole acoustic tools201910,012,036Downhole electronic assemblies20189,606,254'Determining cement impedance from a formation boundary'20179,201,159'Nuclear magnetic resonance logging tool having an array of antennas'20157,347,267'Method and apparatus for cooling flasked instrument assemblies'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history
2008–2015Based in Downingtown, PA, US· patent location history
2015–2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (7)· patent assignee history
2015Patents assigned to EPSTEIN ROBERT (1)· patent assignee history
2015Patents assigned to JACHMANN REBECCA C (1)· patent assignee history
2015Patents assigned to MORYS MARIAN L (1)· patent assignee history
2017–2021Based in Spring, TX, US· patent location history
2018Based in Chester, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 7 | 2015–2021 |
| EPSTEIN ROBERTself | 1 | 2015 |
| HALLIBURTON ENERGY SERV INC | 1 | 2008 |
| JACHMANN REBECCA C | 1 | 2015 |
| MORYS MARIAN L | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 5 | 2017–2021 |
| Downingtown, Pennsylvania, US | 2 | 2008–2015 |
| Chester, Pennsylvania, US | 1 | 2018 |